Improvement in belt-shifting mechanism for looms



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nait-Newbies, or WARREN, MASSACHUSETTS.

Letters Patent No. 106,267, dated August 9, 1870.

IMPROVEMENT IN 4lBEIl'.|'J'.'-SHII:"TIN'C-iu MECHANISM POR LOOMS.

The Schedule referred to in these Letters Patent and making part of thesame Know all men by these presents:

That I, L. J. KNOWLES, of YVarren, in the county of Worcester andCommonwealth of Massachusetts, have invented certain new and usefulImprovements in Looms, of which the following is a full, clear, andexact description,- reference being had to the accompanying drawingforming a part ot' this specification, in which- Figure 1 represents aside view of so much of a loom as is necessary to illustrate my presentimprovements;

Figure 2 represents a plan or top view of so ranch of the loom shown infig. l as is necessary to illustrate m present improvements; and

Figure 3 represents a ii'ont view of the parts shown in tig. 1, thecenter of the loom being shown in section, or with 'a part broken away,for convenience.

To enable those skilled in the art to whiclr'my invention belongs tomake and use the same., I will describe it more in detail.

rlhe nature of my present improvements has reference to an improvedshipper device, as hereafter explained.

In the drawing- A is the main iiame, which may be made in any desiredform, and oi' metal or wood.

Under the breast-beam B is arranged asli'ding'shipper-rod, C, providedwith a collar, a, and a spiral spring, b one end of spring l) pressesagainst collar la, and the other end against the side piece of the oom.lo the right-hand end of rod C is hinged the lower end of ashipper-handle, D, the upper end of which passes up through the slottedguide-piece c fastened to the loom-fiume A.

'lo the other end ofrod G is rigidly fasteneda shipper-handle, E, theupper end of which extends up through the slotted projection d, fastened`to the loomiiame.

The lower end of the shipper-handle E extends down, and is hinged at itslower end' to the front end oi' a rod, F, the rear end ot" which passesthrough a hole in the projection c on the front end `oi` theshipper-fork arm G, and is held in' place'by a set-screw, f.

ArnrG is hinged at g to the lower end of the snspension arm H, which, inturn, is hinged or turns on a journal or stud, h, fastened to the sideoi' the back piece of the loom-traine.

llic upper end of the suspension arm H is provided with a projectinghorn, an, to which the upper end of the spiral sp1 ing n is secured, thelower end of said spring beingi'astene-d to the shipper-fork arm Therear end J of the arm G supports the shipperfork, which acts directlyupon the belt to ship the-- pulley L. Y

, When the handle E is moved to the front end of slot 11, it is forcedout into the notch 1 in the guidepiece [l by the action of spring bupon. rod C, and, consequently, the device remains locked in theposition shown in red lines until the handle E isthrown out of notch 1by the operator, or otherwise.

The shipping device can be operated at either end of the loom. Theaction of spring n tends to throw the shipping devices into thepositions shown in dark lines as soon as handle E is thrown out of notch1 in the guide-piece. d, thus rendering the operation of shipping thebelt very easy and quick.

.Still another important advantage of my present shipping device remainsto be noticed more particularly; I referto the fact that the belt isshipped by back and forward movements of the handle in conticed byloom-builders prior to my invention. As theoperator stands in ii'ont ofthe loom, the motion of the arms and hands in shipping and unshippingthe belt by my improved device are natural and easy, whereas, by the.old plan, they are unnatural and exhaustive,

Having described my present improvements in looms,

What I -claim therein as new and of my invention, and desire to secure'by Letters Patent, is

l. The combination with the shipper-arm Gr, and swinging arm H, to whichthe shipper-arm is hinged, of' the horn mi, attached to said swingingarm, and

` the spring n ext-ending between, and attached to, said horn andshipper-arm, substantially as and for the purpose set forth.

2. The combination with the arm G, and rods G and F, of handles D and E,suspension arm H, and

sprin g n,- all constructed and operating substantially as and for thepurposes set forth.

L.r J. KNOWLES. Witnesses:

Taos. H. DODGE, ALBERT E. Enlace.

